Bugfix: use total enthalpy
This commit is contained in:
Hrvoje Jasak
parent
c1ad46b28f
commit
5ad3e2dbd8
34 changed files with 132 additions and 173 deletions
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@ -40,6 +40,13 @@
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mesh
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);
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// Store kinetic energy for total enthalpy equation
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volScalarField K
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(
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"K",
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0.5*(magSqr(U))
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);
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# include "compressibleCreatePhi.H"
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Info<< "Creating turbulence model\n" << endl;
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@ -1,23 +1,16 @@
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{
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// Solve the enthalpy equation
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T.storePrevIter();
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// Solve the enthalpy equation in total enthalpy formulation (see K)
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// Calculate face velocity from flux
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surfaceScalarField faceU
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(
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"faceU",
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phi/fvc::interpolate(rho)
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);
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K = 0.5*(magSqr(U));
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fvScalarMatrix hEqn
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(
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fvm::ddt(rho, h)
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+ fvc::ddt(rho, K)
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+ fvm::div(phi, h)
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+ fvc::div(phi, K)
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- fvm::laplacian(turbulence->alphaEff(), h)
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==
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// ddt(p) term removed: steady-state. HJ, 27/Apr/2010
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fvc::div(faceU, p, "div(U,p)")
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- p*fvc::div(faceU)
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// Viscous heating: note sign (devRhoReff has a minus in it)
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- (turbulence->devRhoReff() && fvc::grad(U))
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);
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@ -40,6 +40,13 @@
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mesh
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);
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// Store kinetic energy for total enthalpy equation
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volScalarField K
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(
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"K",
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0.5*(magSqr(U))
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);
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# include "compressibleCreatePhi.H"
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Info<< "Creating turbulence model\n" << endl;
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@ -1,25 +1,12 @@
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{
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// Solve the rothalpy equation
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T.storePrevIter();
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// Create relative velocity
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Urel == U;
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mrfZones.relativeVelocity(Urel);
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// Create rotational velocity (= omega x r)
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Urot = U - Urel;
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// Calculate face velocity from absolute flux
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surfaceScalarField rhof = fvc::interpolate(rho);
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surfaceScalarField phiAbs
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(
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"phiAbs",
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phi
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);
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mrfZones.absoluteFlux(rhof, phiAbs);
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surfaceScalarField faceU("faceU", phiAbs/rhof);
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Urot == U - Urel;
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fvScalarMatrix iEqn
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(
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@ -27,9 +14,6 @@
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+ fvm::div(phi, i)
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- fvm::laplacian(turbulence->alphaEff(), i)
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==
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// ddt(p) term removed: steady-state. HJ, 27/Apr/2010
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fvc::div(faceU, p, "div(U,p)")
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- p*fvc::div(faceU)
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// Viscous heating: note sign (devRhoReff has a minus in it)
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- (turbulence->devRhoReff() && fvc::grad(Urel))
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);
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@ -40,7 +24,7 @@
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maxResidual = max(eqnResidual, maxResidual);
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// Calculate enthalpy out of rothalpy
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h = i + 0.5*magSqr(Urot);
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h = i + 0.5*(magSqr(Urot) - magSqr(Urel));
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h.correctBoundaryConditions();
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thermo.correct();
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@ -73,6 +73,9 @@
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SRF::SRFModel::New(Urel)
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);
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// Create rotational velocity
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volVectorField Urot("Urot", SRF->U());
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// Create absolute velocity field
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volVectorField Uabs
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(
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@ -84,7 +87,7 @@
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IOobject::NO_READ,
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IOobject::AUTO_WRITE
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),
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Urel + SRF->U()
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Urel + Urot
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);
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// Create rothalpy, in two steps to preserve boundary conditions
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@ -100,4 +103,4 @@
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),
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h
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);
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i -= 0.5*magSqr(SRF->U());
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i == h - 0.5*(magSqr(Urot) - magSqr(Urel));
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@ -1,13 +1,5 @@
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{
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// Solve the rothalpy equation
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T.storePrevIter();
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// Calculate face velocity from flux
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surfaceScalarField faceU
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(
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"faceU",
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phi/fvc::interpolate(rho) + (SRF->faceU() & mesh.Sf())
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);
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fvScalarMatrix iEqn
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(
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@ -15,9 +7,6 @@
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+ fvm::div(phi, i)
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- fvm::laplacian(turbulence->alphaEff(), i)
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==
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// ddt(p) term removed: steady-state. HJ, 27/Apr/2010
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fvc::div(faceU, p, "div(U,p)")
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- p*fvc::div(faceU)
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// Viscous heating: note sign (devRhoReff has a minus in it)
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- (turbulence->devRhoReff() && fvc::grad(Urel))
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);
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@ -28,15 +17,9 @@
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maxResidual = max(eqnResidual, maxResidual);
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// Calculate enthalpy out of rothalpy
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volVectorField Urot("Urot", SRF->U());
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h = i + 0.5*magSqr(Urot);
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h = i + 0.5*(magSqr(Urot) - magSqr(Urel));
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h.correctBoundaryConditions();
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// Re-initialise rothalpy based on limited enthalpy
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i = h - 0.5*magSqr(Urot);
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// Bounding of enthalpy taken out
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thermo.correct();
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psis = thermo.psi()/thermo.Cp()*thermo.Cv();
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}
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@ -4,9 +4,10 @@
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surfaceScalarField psisf = fvc::interpolate(psis);
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surfaceScalarField rhof = fvc::interpolate(rho);
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// Needs to be outside of loop since p is changing, but psi and rho are not.
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// Needs to be outside of loop since p is changing, but psi and rho are not
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surfaceScalarField rhoReff = rhof - psisf*fvc::interpolate(p);
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// --- PISO loop
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for (int corr = 0; corr < nCorr; corr++)
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{
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Urel = rUrelA*UrelEqn.H();
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@ -65,15 +65,22 @@ int main(int argc, char *argv[])
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# include "initConvergenceCheck.H"
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# include "UEqn.H"
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# include "iEqn.H"
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# include "pEqn.H"
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// # include "hEqn.H"
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// Solving for rothalpy
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# include "iEqn.H"
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# include "rhoFromP.H"
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// Correct turbulence
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turbulence->correct();
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Uabs = Urel + SRF->U();
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// Update rotational velocity
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Urot = SRF->U();
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// Update absolute velocity
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Uabs = Urel + Urot;
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runTime.write();
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@ -26,7 +26,7 @@ deltaT 1;
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writeControl timeStep;
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writeInterval 50;
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writeInterval 100;
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purgeWrite 0;
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@ -34,7 +34,7 @@ writeFormat ascii;
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writePrecision 6;
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writeCompression uncompressed;
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writeCompression compressed;
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timeFormat general;
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@ -20,8 +20,8 @@ ddtSchemes
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ddt(rho,U) steadyState;
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ddt(rho,h) steadyState;
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// ddt(rho,h) steadyInertial phi rho 1;
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ddt(psi,p) steadyInertial phi rho 1;
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ddt(psi,p) steadyState;
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ddt(rho,K) steadyState;
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U steadyState;
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T steadyState;
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@ -36,15 +36,11 @@ gradSchemes
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divSchemes
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{
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default none;
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// div(phi,U) Gauss upwind;
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// div(phi,h) Gauss upwind;
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// div(phid,p) Gauss upwind;
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div(phi,U) Gauss vanLeerDC;
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div(phi,h) Gauss vanLeerDC;
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div(phid,p) Gauss vanLeer;
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div(phid,p) Gauss upwind;
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div(U,p) Gauss linear;
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div(phi,K) Gauss linear;
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div(phi,k) Gauss upwind;
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div(phi,epsilon) Gauss upwind;
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@ -24,28 +24,28 @@ solvers
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minIter 0;
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maxIter 1000;
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tolerance 1e-8;
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relTol 0.01;
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};
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relTol 0.0;
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}
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U
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{
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solver BiCGStab;
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preconditioner DILU;
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minIter 0;
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maxIter 1000;
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minIter 0;
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maxIter 1000;
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tolerance 1e-8;
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relTol 0.01;
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};
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relTol 0.0;
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}
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h
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{
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solver BiCGStab;
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preconditioner DILU;
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minIter 0;
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maxIter 1000;
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minIter 0;
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maxIter 1000;
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tolerance 1e-8;
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relTol 0.01;
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};
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relTol 0.0;
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}
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}
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PIMPLE
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@ -58,18 +58,13 @@ PIMPLE
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relaxationFactors
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{
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// Note: under-relaxation factors used in wave-transmissive schemes
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U 0.7;
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p 0.7;
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h 0.7;
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U 0.5;
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p 0.3;
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h 0.5;
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}
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fieldBounds
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{
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// No bounding
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// p 0 1e7;
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// T 0 10000;
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// U 1e6;
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// With bounding
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p 50 1e6;
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T 20 3000;
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@ -22,14 +22,14 @@ boundaryField
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{
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INLE1
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{
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type fixedValue;
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type pressureInletOutletVelocity;
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value uniform (234.636777 0 0);
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}
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PRES2
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{
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type inletOutlet;
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inletValue uniform (0 0 0);
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type pressureInletOutletVelocity;
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value uniform (234.636777 0 0);
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}
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WALL3
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@ -3,7 +3,7 @@
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| \\ / F ield | foam-extend: Open Source CFD |
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| \\ / O peration | Version: 3.2 |
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| \\ / A nd | Web: http://www.foam-extend.org |
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| \\/ M anipulation | |
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| \\/ M anipulation | For copyright notice see file Copyright |
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\*---------------------------------------------------------------------------*/
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FoamFile
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{
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@ -20,8 +20,9 @@ ddtSchemes
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ddt(rho,U) steadyState;
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ddt(rho,h) steadyState;
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ddt(psi,p) steadyInertial phi rho 0.95;
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ddt(psi,p) steadyState;
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ddt(rho,K) steadyState;
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U steadyState;
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T steadyState;
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p steadyState;
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@ -29,7 +30,7 @@ ddtSchemes
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gradSchemes
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{
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default Gauss linear;
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default cellLimited Gauss linear 1;
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}
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divSchemes
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@ -37,22 +38,13 @@ divSchemes
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default none;
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div(phi,U) Gauss upwind;
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// div(phi,U) Gauss linearUpwind faceLimited Gauss linear 1.0;
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// div(phi,U) Gauss vanLeerDC;
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div(phi,h) Gauss upwind;
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// div(phi,h) Gauss vanLeerDC;
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div(phid,p) Gauss upwind;
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// div(phid,p) Gauss vanLeerDC;
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div(phi,K) Gauss linear;
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div(phi,k) Gauss upwind;
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div(phi,epsilon) Gauss upwind;
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div((muEff*dev2(grad(U).T()))) Gauss linear;
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div(U,p) Gauss linear;
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div(U) Gauss linear;
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}
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laplacianSchemes
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@ -32,19 +32,18 @@ solvers
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solver BiCGStab;
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preconditioner DILU;
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minIter 0;
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maxIter 1000;
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minIter 0;
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maxIter 1000;
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tolerance 1e-8;
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relTol 0.0;
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}
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h
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{
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solver BiCGStab;
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preconditioner DILU;
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minIter 0;
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maxIter 1000;
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minIter 0;
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maxIter 1000;
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tolerance 1e-8;
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relTol 0.0;
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}
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@ -53,16 +52,16 @@ solvers
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PIMPLE
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{
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nOuterCorrectors 1;
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nCorrectors 3;
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nCorrectors 2;
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nNonOrthogonalCorrectors 0;
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}
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relaxationFactors
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{
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// Note: under-relaxation factors used in wave-transmissive schemes
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U 0.1;
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p 0.25;
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h 0.1;
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U 0.4;
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p 0.3;
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h 0.5;
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}
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fieldBounds
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|
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|
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@ -3,7 +3,7 @@
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| \\ / F ield | foam-extend: Open Source CFD |
|
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| \\ / O peration | Version: 3.2 |
|
||||
| \\ / A nd | Web: http://www.foam-extend.org |
|
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| \\/ M anipulation | |
|
||||
| \\/ M anipulation | For copyright notice see file Copyright |
|
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\*---------------------------------------------------------------------------*/
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FoamFile
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{
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|
|
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|
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@ -20,7 +20,7 @@ ddtSchemes
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|
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ddt(rho,U) steadyState;
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ddt(rho,i) steadyState;
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ddt(psi,p) steadyInertial phi rho 0.25;
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ddt(psi,p) steadyState;
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ddt(rho,k) steadyState;
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ddt(rho,epsilon) steadyState;
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|
|
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|
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@ -31,8 +31,8 @@ solvers
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solver BiCGStab;
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preconditioner DILU;
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|
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minIter 0;
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maxIter 1000;
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minIter 0;
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maxIter 1000;
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tolerance 1e-8;
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relTol 0.01;
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}
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@ -78,10 +78,9 @@ PIMPLE
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relaxationFactors
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{
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// Note: under-relaxation factors used in wave-transmissive schemes
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U 0.7;
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p 1;
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i 0.1;
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rho 0.25;
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U 0.5;
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p 0.3;
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i 0.5;
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k 0.5;
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epsilon 0.5;
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@ -89,11 +88,6 @@ relaxationFactors
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fieldBounds
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{
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// No bounding
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// p 0 1e7;
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// T 0 10000;
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// U 1e6;
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// With bounding
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p 2e4 1e6;
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T 200 500;
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|
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|
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@ -20,7 +20,7 @@ ddtSchemes
|
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|
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ddt(rho,U) steadyState;
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ddt(rho,i) steadyState;
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ddt(psi,p) steadyInertial phi rho 0.25;
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ddt(psi,p) steadyState;
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ddt(rho,k) steadyState;
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ddt(rho,epsilon) steadyState;
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|
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@ -31,8 +31,8 @@ solvers
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solver BiCGStab;
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preconditioner DILU;
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|
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minIter 0;
|
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maxIter 1000;
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minIter 0;
|
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maxIter 1000;
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tolerance 1e-8;
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relTol 0.01;
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}
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@ -79,13 +79,11 @@ relaxationFactors
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{
|
||||
// Note: under-relaxation factors used in wave-transmissive schemes
|
||||
U 0.5;
|
||||
p 0.2;
|
||||
i 0.1;
|
||||
h 0.5;
|
||||
rho 0.25;
|
||||
p 0.3;
|
||||
i 0.5;
|
||||
|
||||
k 0.2;
|
||||
epsilon 0.2;
|
||||
k 0.5;
|
||||
epsilon 0.5;
|
||||
}
|
||||
|
||||
fieldBounds
|
||||
|
|
|
|||
|
|
@ -22,7 +22,7 @@ boundaryField
|
|||
{
|
||||
inlet
|
||||
{
|
||||
type totalTemperature;
|
||||
type isentropicTotalTemperature;
|
||||
phi phi;
|
||||
rho none;
|
||||
psi psi;
|
||||
|
|
@ -35,7 +35,6 @@ boundaryField
|
|||
outlet
|
||||
{
|
||||
type zeroGradient;
|
||||
value $internalField;
|
||||
}
|
||||
|
||||
blade
|
||||
|
|
|
|||
|
|
@ -28,8 +28,9 @@ boundaryField
|
|||
|
||||
outlet
|
||||
{
|
||||
type inletOutlet;
|
||||
inletValue uniform (0 0 0);
|
||||
type inletOutlet;
|
||||
inletValue uniform (0 0 0);
|
||||
value uniform (100 0 0);
|
||||
}
|
||||
|
||||
blade
|
||||
|
|
|
|||
|
|
@ -22,7 +22,7 @@ boundaryField
|
|||
{
|
||||
inlet
|
||||
{
|
||||
type totalPressure;
|
||||
type isentropicTotalPressure;
|
||||
phi phi;
|
||||
rho none;
|
||||
psi psi;
|
||||
|
|
|
|||
|
|
@ -3,7 +3,7 @@
|
|||
| \\ / F ield | foam-extend: Open Source CFD |
|
||||
| \\ / O peration | Version: 3.2 |
|
||||
| \\ / A nd | Web: http://www.foam-extend.org |
|
||||
| \\/ M anipulation | |
|
||||
| \\/ M anipulation | For copyright notice see file Copyright |
|
||||
\*---------------------------------------------------------------------------*/
|
||||
FoamFile
|
||||
{
|
||||
|
|
|
|||
|
|
@ -34,7 +34,7 @@ writeFormat ascii;
|
|||
|
||||
writePrecision 6;
|
||||
|
||||
writeCompression uncompressed;
|
||||
writeCompression compressed;
|
||||
|
||||
timeFormat general;
|
||||
|
||||
|
|
|
|||
|
|
@ -20,7 +20,7 @@ ddtSchemes
|
|||
|
||||
ddt(rho,Urel) steadyState;
|
||||
ddt(rho,i) steadyState;
|
||||
ddt(psi,p) steadyInertial phi rho 0.25;
|
||||
ddt(psi,p) steadyState;
|
||||
|
||||
ddt(rho,k) steadyState;
|
||||
ddt(rho,epsilon) steadyState;
|
||||
|
|
@ -38,21 +38,21 @@ gradSchemes
|
|||
divSchemes
|
||||
{
|
||||
default none;
|
||||
div(phi,Urel) Gauss upwind;
|
||||
div(phi,i) Gauss upwind;
|
||||
div(phid,p) Gauss upwind;
|
||||
div(phi,Urel) Gauss upwind;
|
||||
div(phi,i) Gauss upwind;
|
||||
div(phid,p) Gauss upwind;
|
||||
|
||||
div(phi,k) Gauss upwind;
|
||||
div(phi,epsilon) Gauss upwind;
|
||||
div(phi,k) Gauss upwind;
|
||||
div(phi,epsilon) Gauss upwind;
|
||||
div((muEff*dev2(grad(Urel).T()))) Gauss linear;
|
||||
|
||||
div(U,p) Gauss linear;
|
||||
div(U,p) Gauss linear;
|
||||
|
||||
}
|
||||
|
||||
laplacianSchemes
|
||||
{
|
||||
default Gauss linear corrected;
|
||||
default Gauss linear limited 0.5;
|
||||
}
|
||||
|
||||
interpolationSchemes
|
||||
|
|
@ -62,7 +62,7 @@ interpolationSchemes
|
|||
|
||||
snGradSchemes
|
||||
{
|
||||
default corrected;
|
||||
default limited 0.5;
|
||||
}
|
||||
|
||||
fluxRequired
|
||||
|
|
|
|||
|
|
@ -31,10 +31,10 @@ solvers
|
|||
solver BiCGStab;
|
||||
preconditioner DILU;
|
||||
|
||||
minIter 0;
|
||||
maxIter 1000;
|
||||
minIter 0;
|
||||
maxIter 1000;
|
||||
tolerance 1e-8;
|
||||
relTol 0.01;
|
||||
relTol 0.0;
|
||||
}
|
||||
i
|
||||
{
|
||||
|
|
@ -44,7 +44,7 @@ solvers
|
|||
minIter 0;
|
||||
maxIter 1000;
|
||||
tolerance 1e-8;
|
||||
relTol 0.01;
|
||||
relTol 0.0;
|
||||
}
|
||||
k
|
||||
{
|
||||
|
|
@ -79,12 +79,12 @@ relaxationFactors
|
|||
{
|
||||
// Note: under-relaxation factors used in wave-transmissive schemes
|
||||
Urel 0.5;
|
||||
p 0.2;
|
||||
p 0.3;
|
||||
i 0.1;
|
||||
rho 0.5;
|
||||
|
||||
k 0.2;
|
||||
epsilon 0.2;
|
||||
k 0.5;
|
||||
epsilon 0.5;
|
||||
}
|
||||
|
||||
fieldBounds
|
||||
|
|
|
|||
|
|
@ -22,7 +22,7 @@ boundaryField
|
|||
{
|
||||
inlet
|
||||
{
|
||||
type totalTemperature;
|
||||
type isentropicTotalTemperature;
|
||||
phi phi;
|
||||
rho none;
|
||||
psi psi;
|
||||
|
|
@ -35,7 +35,6 @@ boundaryField
|
|||
outlet
|
||||
{
|
||||
type zeroGradient;
|
||||
value $internalField;
|
||||
}
|
||||
|
||||
blade
|
||||
|
|
|
|||
|
|
@ -28,8 +28,9 @@ boundaryField
|
|||
|
||||
outlet
|
||||
{
|
||||
type inletOutlet;
|
||||
inletValue uniform (0 0 0);
|
||||
type inletOutlet;
|
||||
inletValue uniform (0 0 0);
|
||||
value uniform (100 0 0);
|
||||
}
|
||||
|
||||
blade
|
||||
|
|
|
|||
|
|
@ -22,7 +22,7 @@ boundaryField
|
|||
{
|
||||
inlet
|
||||
{
|
||||
type totalPressure;
|
||||
type isentropicTotalPressure;
|
||||
phi phi;
|
||||
rho none;
|
||||
psi psi;
|
||||
|
|
|
|||
|
|
@ -3,7 +3,7 @@
|
|||
| \\ / F ield | foam-extend: Open Source CFD |
|
||||
| \\ / O peration | Version: 3.2 |
|
||||
| \\ / A nd | Web: http://www.foam-extend.org |
|
||||
| \\/ M anipulation | |
|
||||
| \\/ M anipulation | For copyright notice see file Copyright |
|
||||
\*---------------------------------------------------------------------------*/
|
||||
FoamFile
|
||||
{
|
||||
|
|
|
|||
|
|
@ -34,7 +34,7 @@ writeFormat ascii;
|
|||
|
||||
writePrecision 6;
|
||||
|
||||
writeCompression uncompressed;
|
||||
writeCompression compressed;
|
||||
|
||||
timeFormat general;
|
||||
|
||||
|
|
|
|||
|
|
@ -20,7 +20,7 @@ ddtSchemes
|
|||
|
||||
ddt(rho,Urel) steadyState;
|
||||
ddt(rho,i) steadyState;
|
||||
ddt(psi,p) steadyInertial phi rho 0.25;
|
||||
ddt(psi,p) steadyState;
|
||||
|
||||
ddt(rho,k) steadyState;
|
||||
ddt(rho,epsilon) steadyState;
|
||||
|
|
@ -38,21 +38,21 @@ gradSchemes
|
|||
divSchemes
|
||||
{
|
||||
default none;
|
||||
div(phi,Urel) Gauss upwind;
|
||||
div(phi,i) Gauss upwind;
|
||||
div(phid,p) Gauss upwind;
|
||||
div(phi,Urel) Gauss upwind;
|
||||
div(phi,i) Gauss upwind;
|
||||
div(phid,p) Gauss upwind;
|
||||
|
||||
div(phi,k) Gauss upwind;
|
||||
div(phi,epsilon) Gauss upwind;
|
||||
div(phi,k) Gauss upwind;
|
||||
div(phi,epsilon) Gauss upwind;
|
||||
div((muEff*dev2(grad(Urel).T()))) Gauss linear;
|
||||
|
||||
div(U,p) Gauss linear;
|
||||
div(U,p) Gauss linear;
|
||||
|
||||
}
|
||||
|
||||
laplacianSchemes
|
||||
{
|
||||
default Gauss linear corrected;
|
||||
default Gauss linear limited 0.5;
|
||||
}
|
||||
|
||||
interpolationSchemes
|
||||
|
|
@ -62,7 +62,7 @@ interpolationSchemes
|
|||
|
||||
snGradSchemes
|
||||
{
|
||||
default corrected;
|
||||
default limited 0.5;
|
||||
}
|
||||
|
||||
fluxRequired
|
||||
|
|
|
|||
|
|
@ -31,10 +31,10 @@ solvers
|
|||
solver BiCGStab;
|
||||
preconditioner DILU;
|
||||
|
||||
minIter 0;
|
||||
maxIter 1000;
|
||||
minIter 0;
|
||||
maxIter 1000;
|
||||
tolerance 1e-8;
|
||||
relTol 0.01;
|
||||
relTol 0.0;
|
||||
}
|
||||
i
|
||||
{
|
||||
|
|
@ -44,7 +44,7 @@ solvers
|
|||
minIter 0;
|
||||
maxIter 1000;
|
||||
tolerance 1e-8;
|
||||
relTol 0.01;
|
||||
relTol 0.0;
|
||||
}
|
||||
k
|
||||
{
|
||||
|
|
@ -79,12 +79,12 @@ relaxationFactors
|
|||
{
|
||||
// Note: under-relaxation factors used in wave-transmissive schemes
|
||||
Urel 0.5;
|
||||
p 0.2;
|
||||
p 0.3;
|
||||
i 0.1;
|
||||
rho 0.5;
|
||||
|
||||
k 0.2;
|
||||
epsilon 0.2;
|
||||
k 0.5;
|
||||
epsilon 0.5;
|
||||
}
|
||||
|
||||
fieldBounds
|
||||
|
|
|
|||
Reference in a new issue